/Engine/Source/Editor/UnrealEd/Public/Kismet2/BlueprintEditorUtils.h
Duplicates a variable from one Blueprint to another blueprint
Returns the name of the new variable or NAME_None if failed to duplicate
static [FName](API\Runtime\Core\UObject\FName) DuplicateMemberVariable ( [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * InFromBlueprint, [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * InToBlueprint, [FName](API\Runtime\Core\UObject\FName) InVariableToDuplicate )